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Sample CH83-5
NavDat sample number 11433 · BASALT
Sample
| Sample ID | CH83-5 |
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| Rock name | BASALT |
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| Rock type | VOLCANIC |
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| Composition | MAFIC |
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| Material | IGNEOUS |
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| Comment | fine to medium grained, diktytaxitic matrix of subophitic to intergranular plagioclase, Ti-rich augite, olivine, oxide, and interstitial oxide rich mesostasis; porphyritic to glomeroporphyritic plagioclase laths and phenocrysts with poikilitic olivine and oxide and olivine microphenocrysts |
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Location
| Latitude | 41.5183 |
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| Longitude | -118.668 |
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| Location | basalt flow overlying a second volcanic breccia along small stream valley WNW of sample 83-4A at THe Mesa; Humboldt County |
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| State / province | Nevada |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 15.4 |
|
14.4 |
16.4 |
|
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